3=-3(-2y-7)

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Solution for 3=-3(-2y-7) equation:


Simplifying
3 = -3(-2y + -7)

Reorder the terms:
3 = -3(-7 + -2y)
3 = (-7 * -3 + -2y * -3)
3 = (21 + 6y)

Solving
3 = 21 + 6y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-6y' to each side of the equation.
3 + -6y = 21 + 6y + -6y

Combine like terms: 6y + -6y = 0
3 + -6y = 21 + 0
3 + -6y = 21

Add '-3' to each side of the equation.
3 + -3 + -6y = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -6y = 21 + -3
-6y = 21 + -3

Combine like terms: 21 + -3 = 18
-6y = 18

Divide each side by '-6'.
y = -3

Simplifying
y = -3

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